package com.zxd.finals;

/**
 * ClassName:final_variables
 * Package:com.zxd.finals
 *
 * @Date:2023/9/21 10:23
 * @Author:zxde
 */
public class final_variables
{
    final Integer age = 18;
    void setAge(){
        //  this.age = 29; 报错不允许修改
    }
}
